By Tripti Vashisth, Megan Dewdney and Lauren Diepenbrock This article summarizes what is known about summer fruit drop in healthy citrus trees and those with huanglongbing (HLB). Also discussed is how HLB can affect early fruit development and exacerbate fruit drop. Additionally, strategies to reduce summer fruit drop are included. Citrus flowers profusely, but less than 2 percent of the …
UF/IFAS Remains Resilient Amid COVID-19 Challenges
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted a virtual statewide discussion for stakeholders on June 8 to provide an update on its initiatives. The emphasis was on efforts and issues related to the COVID-19 pandemic. During the webinar, Nick Place, UF/IFAS Extension dean and director, highlighted Extension’s efforts to address the COVID-19 challenges. “This has …
More CRAFT Plantings to Come
A second phase of government-supported HLB research projects in Florida’s commercial groves is expected to be initiated this year by the Citrus Research and Field Trial (CRAFT) Foundation. A first phase, in which participating growers must have trees in the ground before June 30, saw growers signing up for 46 projects on 2,032 acres. Learn more about the first phase …
Antibiotics Used in Citrus
A new University of Florida Institute of Food and Agricultural Sciences Extension document, Antibiotics in Crop Production, was published in May by Leigh Archer, Ute Albrecht and Pamela Roberts. The authors found that the use of antibiotics has resulted in the successful control of bacterial diseases in some crops but not in others. The publication includes research information on antibiotics …
HLB Brings Nutrition Guideline Changes
An updated nutrition guide from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) provides new information for properly fertilizing HLB-impacted trees. Nutrition of Florida Citrus Trees, 3rd Edition was updated by researchers Kelly Morgan and Davie Kadyampakeni. Morgan, director of the Southwest Florida Research and Education Center, says growers have been requesting an update of the guide …
Trunk Injection Considerations
A presentation titled “Trunk Injection: Difficulties and Considerations” is one of the first from the cancelled 2020 Florida Citrus Growers’ Institute to become available online. The annual event was cancelled because of COVID-19. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) is working to make additional presentations that were intended for the Florida Citrus Growers’ Institute available …
Lessons Learned From Rootstock Field Trials
By Bill Castle “The notion that field trial data are of little value in the early years and trials must run for 15 years is outdated.” [Lesson 7] “Our new website provides the grower community with user-friendly access to our collective decades of rootstock trial data…” [Lesson 9] Those are two of many lessons shared in a recent article authored …
COVID-19 Hurts Texas Citrus
The COVID-19 pandemic that reduced food-service sales nationwide took a toll on some Texas citrus growers this season. MARKET DISRUPTION“Schools and restaurants make up a significant percentage of sales for Texas citrus,” said Dale Murden, a grower and president of Texas Citrus Mutual. “Whether it’s fresh or juice, the loss of those markets definitely hurt.” At least in part because of the …
More Georgia Citrus Nurseries Certified
The majority of trees in Georgia’s young citrus industry have come from other states. “That statistic could soon be changing, meaning that the majority of trees could come from nurseries within the state,” said Lindy Savelle, president of the Georgia Citrus Association. Savelle reported that three greenhouses in Georgia have been inspected by the U.S. Department of Agriculture (USDA) …
Florida Citrus Season Soured by Imports
A small grower shares his thoughts on the current market situation. By Chip Henry The functionality and integrity of the cash (spot) market for Florida oranges this season has been undermined by the untimely and excessive supplanting of imported juice into Florida processing plant inventories. The resulting price crash has cast a pall on growers selling their fruit on the …
Research Pushes Forward in COVID-19 Era
As Florida moved to “safer at home” measures, not all University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research projects could be put on pause. There are living plants, animals and insects to feed and maintain. Some projects have regular monitoring procedures for which postponement could have broader environmental consequences. “We are very proud of our faculty, staff …
Water Is Focus of Together Florida Coalition
Together Florida, a coalition of primarily agricultural organizations focused on water issues, has launched a website advocating for solutions to harmful algae blooms. The website includes information on algae blooms and best management practices that agriculture employs to conserve water and protect water quality. “Together Florida was created to provide a broad coalition advocating for a comprehensive solution to harmful …
California Citrus and Chinese Tariff Exemptions
The latest development in the Chinese market came as welcome news for the California citrus industry, as China moved to implement tariff exemptions. California Citrus Mutual President Casey Creamer explained that the tariff reduction is coming at an important time for the industry. “It’s probably the break we’ve been looking for when it comes to citrus movement to China,” Creamer …
South African Citrus to Arrive in U.S.
Summer Citrus from South Africa announced in late May that its first vessel of the year to the United States will arrive at the New York port soon. The vessel will deliver Easy Peeler clementines. More Easy Peelers and some Navel oranges will arrive in Philadelphia in late June. During peak season, Star Ruby grapefruit and Cara-Cara oranges will also …
Reduce Fruit Drop, Increase Yield
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus scientists Tripti Vashisth and Fernando Alferez are trying to reduce the amount of fruit drop from Hamlin and Valencia trees prior to harvest. If fruit drops, growers can’t harvest it, and that leads to losses for farmers and less fruit at the market for consumers. Normally, about 10 to …
Sweet Season for Australian Citrus
Research conducted by Citrus Australia indicates dry conditions last year leading into this season’s harvest, which is underway in all states, has led to sweeter, juicier fruit. “There are fresh, Australian grown, juicy oranges and mandarins, and really flavorsome lemons, limes and grapefruit in stores across the country now,” said Citrus Australia CEO Nathan Hancock. “All citrus varieties are packed …
Georgia Citrus Avoids COVID-19 Harm
Georgia’s citrus crop was harvested before the COVID-19 pandemic hit the United States, so the state’s small but growing citrus industry has thus far avoided impacts from the disease. “We don’t think marketing will be affected by COVID, but harvesting (next season) could become problematic if our harvest crews experience problems,” said Lindy Savelle, president of the Georgia Citrus Association. “Although …
Sneak Peek: June 2020 Citrus Industry Magazine
Florida’s citrus harvest may be winding down for the season, but tree care continues year-round. The June issue of Citrus Industry magazine includes two timely articles on summer tree care practices. In the first article, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Fernando Alferez and Tripti Vashisth discuss techniques to improve fruit quality and yield during …
All In For Citrus Podcast, May 2020
In May’s All In For Citrus Podcast, listeners can hear the latest huanglongbing (HLB) research and recommendations as well as how the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus team is operating as COVID-19 restrictions begin to ease. As always, Citrus Research and Education Center (CREC) Director Michael Rogers begins the podcast. He shares news about …
Florida Citrus Grower Profitability to Decline
Although orange juice sales have surged in recent months, the Florida Department of Citrus (FDOC) director of economic and market research expects growers to have reduced profitability this season. Marisa Zansler told the Florida Citrus Commission on May 20 that demand for Florida citrus is expected to be tempered with higher production costs and suppressed grower prices for uncommitted early/mid …